DESCRIPTION
The SA589 family are keypad switchable LD/DTMF dialler devices with a last number redial facility and twenty 24-digit memories each with its own dedicated dialling key.

FEATURES
■ Selectable Loop-Disconnect or DTMF Modes
■ Keypad Switchable LD to DTMF
■ 20 x 24-Digit Memories, (each with Dedicated Key)
■ 24 Digit Last Number Redial
■ Selectable Make/Break Ratios 2:1 and 3:2
■ Uses Inexpensive 560kHz Ceramic Resonator
■ Batteryless operation - Low Power CMOS
■ Mask Programmable Options to suit application
■ Timed Break Recall (Flash) and Earth Recall